NORTH AMERICAN CONCHOLOGY. 



2S3 



Page. Plate. 

 17 lxxix 



17 lxxvi 

 IS lxxvi 



18 lxxvi 



19 lxxvi 

 19 



19 



20 lxxvi 



22 lxxvi 

 23 



23 



23 lxxvi 



23 lxxvi 

 24 



24 



24 lxxix 

 24 lxxix 



25 

 25 

 25 

 25 

 25 

 25 

 25 



25 

 26 

 26 

 26 

 26 

 28 



Fig. 

 13 



12 



10 

 11,3 



15 

 12 



lxxix 19 



lxxix 

 lxxix 



2ft 

 22 



Name. 

 Helix devia Gould. 



H. Baskervillei Pfr. 



Kelletti Forbes. 



Pandorae Forbes. 



II. damascenus Gould. 



levis Pfr. 



areolata Sowerhy. 



Vancouverensis Lea. 

 H. vellicata Forbes. 



sportella Gould. 



Newberryana W. G. B. 



cultellata Thompson. 



strigosa Gould. 



Sagraiana Orb. (sp.) 



acutedenta W. G. B. (e. 1.) 



Loisa W. G. B. (e. 1.) 



aspersa Mull. (e. 1.) 



Mazatlanica Pfr. (e. 1.) 

 Bulimus Californicua Rve. 



excelsus Gould. 

 B. elatus Gould. 



chordatus Pfr. (e. 1.) 



Humboldti Rve. (e. 1.) 



Mexicanus Lam. (e. 1.) 



zebra Mull. (e. 1.) 



Ziegleri Pfr. (e. 1.) 



vegetus Gould (e. 1.) 



vesicalis Gould (e. 1.) 

 B. sujflatus Gould. 



Laurentii Sowcrby (e. 1.) 

 Achatina Californica Pfr. 

 Glandina Albersi Pfr. (e. 1.) 



turris Pfr. (e. 1.) 

 Melampus olivaceus Carp. 

 Truncatella Californica Pfr. 

 T. (jracilenta Gould. 



Locality. 

 Oregon. 



San Diego. 

 Santa Barbara. 



Columbia river. 

 Oregon & Califoruia. 

 Columbia river. 



San Diego, &c. 

 San Diego, &c. 

 Contra Costa co., Cal. 

 Oregon, N. Mex., &c. 



California. 

 California. 



Monterey, Cal. 



Mazatlan. 

 San Diego. 



Section II. — The Species East of the Rocky Mountains. 



29 

 30 



30 

 30 

 30 



Family L,imacea. 

 Vaginulus FloridamiB Binney. 

 flexuolaris (sp.) 

 fuscus (sp.) 

 oxyurus (sp.) 

 quadrilus (sp.) 



Charlotte harbor. 



